<%--
  Created by IntelliJ IDEA.
  User: dell
  Date: 2018/5/27
  Time: 17:04
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
      <%
          if(session.getAttribute("isLogin") == null){
          //没有登陆，跳转到login.jsp
          response.sendRedirect("login.jsp");
      }

      %>
</body>
</html>
